AMD Ryzen 9 7945HX vs AMD Ryzen 7 7745HX

Compare AMD Ryzen 9 16 core CPU vs AMD Ryzen 7000 Series 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

14004 points
52% significantly better overall score
9190 points

Gaming Score

The raw gaming performance with a fast GPU

12364 points
14% slightly better gaming score
10842 points

Multitasking Score

Performance in workloads using up to 8 cores

14599 points
69% significantly better multitasking score
8600 points

Heavy Workload Score

Performance in workloads using up to 16 cores

14860 points
76% significantly better heavy workload score
8405 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 7945HX and the Ryzen 7 7745HX? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

13984 points
76% significantly higher 3DMark Physics score
7934 points
Blender score

Blender score

Cycles Render (Samples per minute)

475.58 points
97% significantly higher Blender score
241.01 points
Cinebench R23 score

Cinebench R23 score

Multi threaded benchmark

34613 points
91% significantly higher Cinebench R23 score
18060 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

16083 points
25% slightly higher Geekbench 6 (multi) score
12791 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

2764 points
5% slightly higher Geekbench 6 (single) score
2623 points

Specifications

Cores

Number of physical processing units

16
100% significantly more cores
8

Threads

Number of logical processing units

32
100% significantly more threads
16

Clock Speed

Base frequency at which the chip operates

2.50 GHz
3.60 GHz
43% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.4 GHz
5% slightly higher turbo speed
5.1 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

55 W
Identical
55 W

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

1024 KiB
100% significantly more L1 cache
512 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

16 MiB
100% significantly more L2 cache
8 MiB

L3 Cache

General memory pool for all cores

64 MiB
100% significantly more L3 cache
32 MiB

Other details

Rank

Ranking in the hardwareDB database

31st of 1,089
107th of 1,089

Family

The product line

Ryzen 9
Ryzen 7000 Series

Release date

The official date of release of this chip

2023 February
2023 February

Memory Type

The type of memory used by this chip

DDR5
DDR5

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Ryzen 9 7945HX vs Ryzen 7 7745HX benchmarks

Our benchmark analysis concludes that the Ryzen 9 7945HX performs better than the Ryzen 7 7745HX. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 7 7745HX in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Ryzen 9 7945HX has significantly more cores than the Ryzen 7 7745HX. Indeed, the Ryzen 9 7945HX has 16 cores compared to 8 cores found in the Ryzen 7 7745HX. It also has more threads than the Ryzen 7 7745HX. With our hardware info, we find that the Ryzen 7 7745HX has a significantly higher clock speed than the Ryzen 9 7945HX. Despite this, the Ryzen 9 7945HX has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption. The cache sizes of these CPUs are different. Indeed, the Ryzen 9 7945HX has significantly more L2 cache than the Ryzen 7 7745HX. The Ryzen 9 7945HX also has significantly more L3 cache.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Ryzen 9 7945HX has more threads than cores. Each physical core is split into multiple threads.

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